Open Science Research Excellence
Entisar A. Elgmati,  Dynamic Models versus Frailty Models for Recurrent Event Data.   journal   = {International Journal of Mathematical and Computational Sciences}, [online]. World Academy of Science, Engineering and Technology. April 2013, vol. 76(4). 605 - 609[viewed 25 August 2019]. Available from: http://waset.org/publications/734.